Home / 294,480.36-405,897.66-208,328.04

Finding the Fourth Proportional to 294,480.36, 405,897.66 and 208,328.04

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Solution

The fourth proportional to 294,480.36, 405,897.66 and 208,328.04 is: 287,149.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,480.36 : 405,897.66 = 208,328.04 : x
  2. Step 2: Convert to fraction form
    294,480.36/405,897.66 = 208,328.04/x
  3. Step 3: Cross multiply
    294,480.36x = 405,897.66 × 208,328.04
  4. Step 4: Simplify right side
    294,480.36x = 84,559,863,948.39
  5. Step 5: Solve for x
    x = 84,559,863,948.39/294,480.36
  6. Step 6: Final answer
    x = 287,149.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.